diff options
| author | José Fonseca <[email protected]> | 2009-10-09 13:22:42 +0100 |
|---|---|---|
| committer | José Fonseca <[email protected]> | 2009-10-09 13:22:42 +0100 |
| commit | c595dea23c6e77dc5d44a7f4b86916b72e09f970 (patch) | |
| tree | b3c9fb25d90594da79910261bef89195a17740b5 | |
| parent | 69588d7ed59a019a5272a9cc391e30c47d006aee (diff) | |
util: Force ESI register for cpuid's ebx result.
Fixes a segfault and better code. Unfortunately using an arbitrary
register ("=r") causes the gcc to abort when the code is optimized saying
it can't satisfy the constraint. Setting seems to do the trick.
| -rw-r--r-- | src/gallium/auxiliary/util/u_cpu_detect.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/gallium/auxiliary/util/u_cpu_detect.c b/src/gallium/auxiliary/util/u_cpu_detect.c index 70ce25cfcf4..ded361ce704 100644 --- a/src/gallium/auxiliary/util/u_cpu_detect.c +++ b/src/gallium/auxiliary/util/u_cpu_detect.c @@ -346,7 +346,7 @@ cpuid(uint32_t ax, uint32_t *p) "cpuid\n\t" "xchgl %%ebx, %1" : "=a" (p[0]), - "=m" (p[1]), + "=S" (p[1]), "=c" (p[2]), "=d" (p[3]) : "0" (ax) |